result vs decision

result and decision both are nouns.

Word	Noun	Adjective	Verb	Adverb
result	Yes	No	Yes	No
decision	Yes	No	No	No

As nouns, decision is a hyponym of result; that is, decision is a word with a more specific, narrower meaning than result:

Other hyponyms of result include denouement, deal, aftermath, consequence, separation, sequel, subsequence, worst.

result (noun)	decision (noun)
a statement that solves a problem or explains how to solve the problem	the act of making up your mind about something
the semantic role of the noun phrase whose referent exists only by virtue of the activity denoted by the verb in the clause	the trait of resoluteness as evidenced by firmness of character or purpose
something that results	a position or opinion or judgment reached after consideration
a phenomenon that follows and is caused by some previous phenomenon	the outcome of a game or contest
	(boxing) a victory won on points when no knockout has occurred

result (verb)	decision (verb)
come about or follow as a consequence
issue or terminate (in a specified way, state, etc.); end
produce as a result or residue